ISMF Short Interest

Blackrock ETF Trust - Ishares Managed Futures Active ETF (ISMF) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $64.6M, listed on CBOE, carrying a beta of 0.23 to the broader market. Under normal market conditions, the fund will invest at least 80% of its net assets (plus any borrowing for investment purposes), based on notional value, in futures contracts and futures-related instruments, including, but not limited to, forward contracts. public since 2025-03-13.

Short interest is the total number of shares currently sold short and not yet covered, reported twice monthly by FINRA. Days to cover (short interest divided by average daily volume) indicates how long it would take short sellers to close positions, with higher values signaling greater squeeze potential.

Settlement Date
2026-09-30
Short Interest
11.3K
Previous Short Interest
2.7K
Change
315.01%
Days to Cover
1.00
Avg Daily Volume
48.1K
Avg Days to Cover (24 reports)
1.77

Showing 24 twice-monthly FINRA short interest reports for Blackrock ETF Trust - Ishares Managed Futures Active ETF.

Learn how short interest is reported and how to read the data →

Frequently asked ISMF short interest questions

What is the current ISMF short interest?
As of the Sep 30, 2026 settlement, Blackrock ETF Trust - Ishares Managed Futures Active ETF (ISMF) short interest is 11.3K shares, a +315.01% change from the prior period. FINRA publishes short interest twice monthly on the 15th and last business day of each month under Rule 4560.
What is the ISMF days-to-cover ratio?
Days-to-cover is 1.00, calculated as short interest divided by average daily volume. It estimates how many trading days closing all short positions would consume given typical liquidity. Values above 5 days are commonly cited as elevated; values above 10 days are squeeze-relevant.
How does ISMF short interest affect options pricing?
High short interest changes options pricing through three mechanics: borrow-rebate effects (synthetic long stock trades below frictionless put-call parity by approximately the borrow rebate when shares are hard-to-borrow), gamma-squeeze setup risk (if dealers are short gamma against retail call buying, dealer hedge flow can amplify upward moves), and elevated event-vol pricing on names with squeeze potential. See the canonical short-interest documentation for the full mechanism.